Impact wrench



FIG. 1 is a perspective view of an impact wrench embodying the ornamental design of the present invention;

FIG. 2 is a front view of the impact wrench;

FIG. 3 is rear view of the impact wrench;

FIG. 4 is a side view of the impact wrench, the opposite side view being a mirror image;

FIG. 5 is a top view of the impact wrench; and,

FIG. 6 is a bottom view of the impact wrench.

The broken lines in FIGS. 1-6 are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for an impact wrench, as shown and described. 